Helmet Urchin, Puako, Hawaii | Colobocentrotus atratus, Inte… | Flickr
File:1.cidaristes imperialis(Sputnik urchin, imperial lance urchin);2.Echinus atratus (helmet urchin or shingle urchin);3.echinus globiformis (European edible sea urchin or common sea urchin);4.scutella radiata (small sand dollar);5.Scutella.jpg ...
Helmet urchin or Shingle urchin | Stock Photo
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